Note 844 — BOOK VII.835 MAN, HIS BIRTH, HIS ORGANIZATION, AND THE INVENTION OF THE ARTS.
John Bostock translation
This reminds us of the terms of the riddle proposed to Œdipus by the Sphinx: “What being is that, which, with four feet, has two feet and three feet, and only one voice; but its feet vary, and where it has most it is weakest?” to which he answered, That it is man, who is a quadruped (going on feet and hands) in childhood, two-footed in manhood, and moving with the aid of a staff in old age.